on the up-and-up

on the up and up

1. Strictly honest, respectable, and strait-laced. Often hyphenated as "on the up-and-up." Primarily heard in US. If your behavior isn't on the up and up, no one here will trust you. Don't bother trying to bribe him—he's the only politician in this city who's on the up-and-up.
2. Becoming increasingly successful. Often hyphenated as "on the up-and-up." Investors are jumping on board after a number of financial analysts predicted that the company's stock was on the up and up. Wow, another promotion? Sarah's really on the up-and-up these days, isn't she?
See also: and, on, up

(strictly) on the up-and-up

honest; fair and straight. Do you think that the mayor is on the up-and-up? Yes, the mayor is strictly on the up-and-up.
See also: on

on the up-and-up

legitimate; open and aboveboard. Is this deal on the up-and-up? What's the catch? Everything I do is on the up-and-up. I am totally honest.
See also: on

on the up-and-up

Open and honest, as in Dad has always been on the up-and-up with them. The precise allusion in this term is unknown. [Colloquial; c. 1860]
See also: on

on the up and up

AMERICAN
If a person or an activity is on the up and up it is honest or legal. We'd like to know where the money came from. It may have been on the up-and-up. I'm an old man and I'm a pretty good judge of men. If you're honest and on the up and up, I'll be able to tell it.
See also: and, on, up

on the up and up

1 steadily improving. informal 2 honest or sincere. informal, chiefly North American
See also: and, on, up

on the ˌup and ˈup

(informal)
1 (British English) getting better, becoming more successful, etc: Her health is on the up and up. Soon she’ll be out of hospital.Business is on the up and up.
2 (American English) honest: Before we give him the job, are you sure he’s on the up and up?
See also: and, on, up

on the up-and-up

mod. legitimate; open and aboveboard. Everything I do is on the up-and-up. I am totally honest.
See also: on